#
Advisory Date
Name
Strength
Position
Movement
Pressure
Winds
Advisory #24 – 0300 UTC Sat Aug 02 2025
24
0300 UTC Sat Aug 02 2025
Name: Tropical Depression Iona
Strength: TD
Position: 15.8N, 179.5W
Movement: WNW at 17 mph
Pressure: 1008 mb / 29.77 in
Winds: 35 mph
Advisory #23 – 2100 UTC Fri Aug 01 2025
23
2100 UTC Fri Aug 01 2025
Name: Tropical Storm Iona
Strength: TS
Position: 15.0N, 177.6W
Movement: WNW at 18 mph
Pressure: 1006 mb / 29.71 in
Winds: 40 mph
Advisory #22 – 1500 UTC Fri Aug 01 2025
22
1500 UTC Fri Aug 01 2025
Name: Tropical Storm Iona
Strength: TS
Position: 14.6N, 176.3W
Movement: WNW at 21 mph
Pressure: 1005 mb / 29.68 in
Winds: 40 mph
Advisory #21 – 0900 UTC Fri Aug 01 2025
21
0900 UTC Fri Aug 01 2025
Name: Tropical Storm Iona
Strength: TS
Position: 14.2N, 174.4W
Movement: WNW at 18 mph
Pressure: 1003 mb / 29.62 in
Winds: 45 mph
Advisory #20 – 0300 UTC Fri Aug 01 2025
20
0300 UTC Fri Aug 01 2025
Name: Tropical Storm Iona
Strength: TS
Position: 13.7N, 172.7W
Movement: WNW at 23 mph
Pressure: 1002 mb / 29.59 in
Winds: 50 mph
Advisory #19 – 2100 UTC Thu Jul 31 2025
19
2100 UTC Thu Jul 31 2025
Name: Tropical Storm Iona
Strength: TS
Position: 13.2N, 170.7W
Movement: WNW at 22 mph
Pressure: 1002 mb / 29.59 in
Winds: 50 mph
Advisory #18 – 1500 UTC Thu Jul 31 2025
18
1500 UTC Thu Jul 31 2025
Name: Tropical Storm Iona
Strength: TS
Position: 12.7N, 168.7W
Movement: W at 21 mph
Pressure: 1001 mb / 29.56 in
Winds: 50 mph
Advisory #17 – 0900 UTC Thu Jul 31 2025
17
0900 UTC Thu Jul 31 2025
Name: Tropical Storm Iona
Strength: TS
Position: 12.3N, 166.9W
Movement: W at 23 mph
Pressure: 1001 mb / 29.56 in
Winds: 50 mph
Advisory #16 – 0300 UTC Thu Jul 31 2025
16
0300 UTC Thu Jul 31 2025
Name: Tropical Storm Iona
Strength: TS
Position: 11.8N, 164.8W
Movement: W at 23 mph
Pressure: 1000 mb / 29.53 in
Winds: 50 mph
Advisory #15 – 2100 UTC Wed Jul 30 2025
15
2100 UTC Wed Jul 30 2025
Name: Tropical Storm Iona
Strength: TS
Position: 11.7N, 162.6W
Movement: W at 22 mph
Pressure: 994 mb / 29.36 in
Winds: 65 mph
Advisory #14 – 1500 UTC Wed Jul 30 2025
14
1500 UTC Wed Jul 30 2025
Name: Hurricane Iona
Strength: Category 1
Position: 11.5N, 160.2W
Movement: W at 20 mph
Pressure: 987 mb / 29.15 in
Winds: 75 mph
Advisory #13 – 0900 UTC Wed Jul 30 2025
13
0900 UTC Wed Jul 30 2025
Name: Hurricane Iona
Strength: Category 2
Position: 11.3N, 158.6W
Movement: W at 17 mph
Pressure: 973 mb / 28.74 in
Winds: 105 mph
Advisory #12 – 0300 UTC Wed Jul 30 2025
12
0300 UTC Wed Jul 30 2025
Name: Hurricane Iona
Strength: Category 3
Position: 11.0N, 157.1W
Movement: W at 17 mph
Pressure: 964 mb / 28.47 in
Winds: 115 mph
Advisory #11 – 2100 UTC Tue Jul 29 2025
11
2100 UTC Tue Jul 29 2025
Name: Hurricane Iona
Strength: Category 3
Position: 10.9N, 155.7W
Movement: W at 14 mph
Pressure: 957 mb / 28.26 in
Winds: 125 mph
Advisory #10 – 1500 UTC Tue Jul 29 2025
10
1500 UTC Tue Jul 29 2025
Name: Hurricane Iona
Strength: Category 3
Position: 10.8N, 154.3W
Movement: W at 13 mph
Pressure: 957 mb / 28.26 in
Winds: 125 mph
Advisory #9 – 0900 UTC Tue Jul 29 2025
9
0900 UTC Tue Jul 29 2025
Name: Hurricane Iona
Strength: Category 3
Position: 10.8N, 153.2W
Movement: W at 13 mph
Pressure: 964 mb / 28.47 in
Winds: 115 mph
Advisory #8 – 0300 UTC Tue Jul 29 2025
8
0300 UTC Tue Jul 29 2025
Name: Hurricane Iona
Strength: Category 1
Position: 10.9N, 152.2W
Movement: W at 13 mph
Pressure: 985 mb / 29.09 in
Winds: 85 mph
Advisory #7 – 2100 UTC Mon Jul 28 2025
7
2100 UTC Mon Jul 28 2025
Name: Hurricane Iona
Strength: Category 1
Position: 10.6N, 151.0W
Movement: W at 10 mph
Pressure: 993 mb / 29.33 in
Winds: 75 mph
Advisory #6 – 1500 UTC Mon Jul 28 2025
6
1500 UTC Mon Jul 28 2025
Name: Hurricane Iona
Strength: Category 1
Position: 10.7N, 150.1W
Movement: W at 10 mph
Pressure: 994 mb / 29.36 in
Winds: 75 mph
Advisory #5 – 0900 UTC Mon Jul 28 2025
5
0900 UTC Mon Jul 28 2025
Name: Tropical Storm Iona
Strength: TS
Position: 10.9N, 149.3W
Movement: W at 12 mph
Pressure: 1001 mb / 29.56 in
Winds: 50 mph
Advisory #4 – 0300 UTC Mon Jul 28 2025
4
0300 UTC Mon Jul 28 2025
Name: Tropical Storm Iona
Strength: TS
Position: 10.9N, 148.3W
Movement: W at 10 mph
Pressure: 1005 mb / 29.68 in
Winds: 40 mph
Advisory #3 – 2100 UTC Sun Jul 27 2025
3
2100 UTC Sun Jul 27 2025
Name: Tropical Depression One-C
Strength: TD
Position: 11.0N, 147.4W
Movement: W at 12 mph
Pressure: 1008 mb / 29.77 in
Winds: 35 mph
Advisory #2 – 1500 UTC Sun Jul 27 2025
2
1500 UTC Sun Jul 27 2025
Name: Tropical Depression One-C
Strength: TD
Position: 11.0N, 146.6W
Movement: W at 13 mph
Pressure: 1008 mb / 29.77 in
Winds: 35 mph
Advisory #1 – 0900 UTC Sun Jul 27 2025
1
0900 UTC Sun Jul 27 2025
Name: Tropical Depression One-C
Strength: TD
Position: 10.9N, 145.6W
Movement: W at 12 mph
Pressure: 1009 mb / 29.80 in
Winds: 35 mph